“…On irradiation, one can induce a phase change (Aoki et al, 2000), a solubility change (Arai and Kawabata, 1995;Yamamoto et al, 1990), crystallization (Ebralidze and Mumladze, 1990), or even reversal of phase separation (Effing and Kwak, 1995). The critical micelle concentration (cmc) and surface activity can also be modified (Yang et al, 1995).…”